Reducing elbows are used on pipelines to connect when the size of the pipe needs to be changed at a right angle bend.
The function of a reducing elbow is to change the diameter of the pipeline when making a 90 degree turn. The function of the big and small heads is the same, but they cannot be used for turning. The price is about twice as high as an equal diameter elbow. At some construction sites, a bend and a small head are welded together to replace this product. The most common standards are the national standards GB/T12459-2005 and GB/T13401-2005
Application of valves in water treatment system:
Pressure reducing valve: it is used to regulate the pressure of tap water, ensure that the water pipe and water consuming equipment bear the pressure within the safe range and prevent excessive water pressure.
Check valve: installed at the water pump outlet to prevent water from flowing back to the water pump and protect the water pump.
Water mixing valve: used for mixing cold and hot water, providing constant temperature hot water, commonly used in water heater and solar system.
Application of joints in water treatment system:
Garden irrigation: Connect faucets, water pipes and sprinklers with connectors to realize automatic watering of gardens.
Water purifier connection: the connector is used to connect each filter element of the water purifier as well as the water inlet and outlet to facilitate assembly and maintenance.
Water pipe connection: in a complex waterway system, connectors are used to connect hoses of different lengths to form a complete water supply network.
Q: Could you offer the free samples ?
A: Yeah, but it depends products, Pls contact us ina@pneuhydr.com or whatsapp 0086 15168536055
Q: What ' s your business scope ?
A: Our business scope is service of exporter automation parts with full container, and sell air cylinder , air source treatment , solenoid valve , air valve, motorize valve , Brass valve, hydraulic valve, hydraulic cylinder, air and oil fitting, pressure gauge etc .
Q: What types of products you can make ?
A: We can make many kinds of stainless steel, brass ,aluminum materials processing .like high pressure Valve / solenoid valve / electric valve / water valve/pneumatic valve/air cylinder/hydraulic valve/hydraulic accumulator products and so on .
Q: Can the product be made with our logo and brand ?
A: Yes , of course , we can make . we are OEM supplier for years and professional to make . But you need give us the authorization if it is possible .
Q:Can you provide original famous pneumatic and hydraulic,instruments brand goods ?
A: Yes,We can supply like Festo,Smc,Ckd,Burket,Hydac,Rexroth,Siemens,Rosemount,Marsh ,Endress+Hauser etc.
Q: Is there a warranty available?
A: Yes, normally products is one year quality guarantee.
Q: Is the connector in British or Metric system? What is the difference between PT, NPT, and G threads?
A: The G thread is cylindrical and does not seal itself, requiring additional gaskets to prevent leakage. PT and NPT are conical, and the internal and external threads become tighter and tighter when tightened. Sealing is achieved through the deformation of the threads, and sealant or tape is usually used in conjunction to enhance the sealing effect
G-thread is a cylindrical straight pipe used for non sealed connections; PT thread is a conical tube that relies on the deformation and sealing of the thread itself; NPT is also a conical tube with a tooth profile angle of 60 degrees, mainly used in North America
Q: How to convert pressure units: MPa, bar, psi, kg/cm ²?
A: 1MPa=10bar≈145psi≈10kg
Q:What usually causes the burnout of solenoid valve coils?
A:Incorrect voltage and hz, frequent switching, pilot head entering liquid,valve core and spring problem,environment hot,heavy vibration etc.
Q: What should be noted for pneumatic components in high temperature or extremely cold environments?
| Focus Point | High Temperature Environment Countermeasures | Extreme Cold Environment Countermeasures |
| Seals | Fluororubber, PTFE | Low-temperature nitrile, silicone rubber, polyurethane |
| Lubrication | High-temperature synthetic grease (low volatility) | Low-temperature grease (low pour point, low viscosity) |
| Air Supply Treatment | Strengthen cooling, efficient water removal | Ultra-low dew point drying (refrigeration + adsorption type), heat tracing |
| Metal Components | Reserve expansion clearance | Select materials with low-temperature toughness, prevent leakage due to cold shrinkage |
| Control Components | High heat-resistant grade coils, heat dissipation, low power consumption | Install insulation boxes, local heating, prevent cold condensation |
| Installation | Keep away from heat sources, add heat insulation plates | Avoid exposure to wind and snow, wrap with thermal insulation materials |
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Reducing Brass Pipe Fittings DN20 DN25 DN32 DN40 DN50 Images
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